Observation and description of changes in the world around us are the first steps in finding and learning about patterns
Essential Questions
How can I visually explain situations where one thing changes based on another?
NOTES
Profit = Costs - Income because subtraction is not commutative. Addition and multiplication is commutative but subtraction and division isn't. Commutative - able to change the order of (numbers in this case)/ change position.
Commutaive
10-7=3
------------> not commutative (not the same answers
7-10=-3
10+7=17
-------------> Commutative (same answers)
7+10=17
A Question I have is: Is Commutative a Math word or can it be used for anything?
3.4
A-
number of customers
income ($)
bike rental ($)
food and camp ($)
van rentals ($)
1
350
30
125
700
2
700
60
250
700
3
1050
90
375
700
4
1400
120
500
700
5
1750
150
625
700
6
2160
180
750
700
7
2450
210
875
700
8
2800
240
1000
700
9
3150
270
1125
700
10
3500
300
1250
700
B- The number keeps on increasing by $350. All we had to do is use the number of customers and multiply it the $350.
3.4 : Paying Bills And Counting Profits
EAD
September 19, 2010
BIG IDEA
Observation and description of changes in the world around us are the first steps in finding and learning about patternsEssential Questions
How can I visually explain situations where one thing changes based on another?
NOTES
Profit = Costs - Income because subtraction is not commutative. Addition and multiplication is commutative but subtraction and division isn't.
Commutative - able to change the order of (numbers in this case)/ change position.
Commutaive
10-7=3------------> not commutative (not the same answers
7-10=-310+7=17
-------------> Commutative (same answers)
7+10=17A Question I have is: Is Commutative a Math word or can it be used for anything?
3.4
A-
B- The number keeps on increasing by $350. All we had to do is use the number of customers and multiply it the $350.
C-
TOTAL ($)
855
1010
1165
1320
1471
1630